# SDR CALA2025010200007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2024
- Submitted: January 2, 2025
- Operation: Air carrier
- Aircraft: [N14230](https://openairdocs.org/aircraft/N14230), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28794
- Aircraft time: 77,911 hours, 28,936 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 141A550313
- Condition: Corroded
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025010200007

## Discrepancy

(SUPPORT TASK)  MAIN CABIN SECTION 41 FLOOR STRUCTURE STA 312 FLOORBEAM CORRODED ON UPPER SURFACE OF UPPER FLANGE AT LBL11. TRANSCRIBED FROM HAECO GSO NRC 9284773. CORROSION FOUND TO BE OUT OF LIMITS PER ECRA 5321-01330 REV B. REPAIRED FLOORBEAM IAW B737-800 SRM 53-10-51-2R-17.

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